Bionicle Moc: TA-C21 Arms/Legs by lbpfan21 on DeviantArt
LEGO Bionicle 1.0 lb Assorted Parts Arms Feet Legs Hands Weapons etc. | eBay
ブッキー(Bukkey) on Twitter: "Acturally, his front legs are double-ball-joints. His weightness has concentrate on the front, and if you can made enough strength of holding power of BJ. So this MOC can